The highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2024 | 4.30 | 0.00 % |
| 2023 | 4.30 | 6.70 % |
| 2022 | 4.03 | -10.44 % |
| 2021 | 4.50 | -0.97 % |
| 2020 | 4.54 | -0.55 % |
| 2019 | 4.57 | 1.15 % |
| 2018 | 4.52 | 0.87 % |
| 2017 | 4.48 | 10.40 % |
| 2016 | 4.06 | 8.51 % |
| 2015 | 3.74 | -8.83 % |
| 2014 | 4.10 | -2.38 % |
| 2013 | 4.20 |